CN100449936C - 修正相位的正交调制器系统与方法 - Google Patents
修正相位的正交调制器系统与方法 Download PDFInfo
- Publication number
- CN100449936C CN100449936C CNB028252365A CN02825236A CN100449936C CN 100449936 C CN100449936 C CN 100449936C CN B028252365 A CNB028252365 A CN B028252365A CN 02825236 A CN02825236 A CN 02825236A CN 100449936 C CN100449936 C CN 100449936C
- Authority
- CN
- China
- Prior art keywords
- signal
- phase
- produce
- carrier
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/36—Modulator circuits; Transmitter circuits
- H04L27/362—Modulation using more than one carrier, e.g. with quadrature carriers, separately amplitude modulated
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0016—Stabilisation of local oscillators
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/993,955 | 2001-11-27 | ||
US09/993,955 US6657510B2 (en) | 2001-11-27 | 2001-11-27 | Corrective phase quadrature modulator system and method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1605152A CN1605152A (zh) | 2005-04-06 |
CN100449936C true CN100449936C (zh) | 2009-01-07 |
Family
ID=25540132
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB028252365A Expired - Fee Related CN100449936C (zh) | 2001-11-27 | 2002-11-25 | 修正相位的正交调制器系统与方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6657510B2 (fr) |
EP (1) | EP1459438A4 (fr) |
JP (1) | JP3886966B2 (fr) |
CN (1) | CN100449936C (fr) |
AU (1) | AU2002350264A1 (fr) |
CA (1) | CA2468079C (fr) |
WO (1) | WO2003047090A1 (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6985704B2 (en) | 2002-05-01 | 2006-01-10 | Dali Yang | System and method for digital memorized predistortion for wireless communication |
US8811917B2 (en) | 2002-05-01 | 2014-08-19 | Dali Systems Co. Ltd. | Digital hybrid mode power amplifier system |
US8064850B2 (en) | 2002-05-01 | 2011-11-22 | Dali Systems Co., Ltd. | High efficiency linearization power amplifier for wireless communication |
US8380143B2 (en) * | 2002-05-01 | 2013-02-19 | Dali Systems Co. Ltd | Power amplifier time-delay invariant predistortion methods and apparatus |
US8472897B1 (en) | 2006-12-22 | 2013-06-25 | Dali Systems Co. Ltd. | Power amplifier predistortion methods and apparatus |
US7177772B2 (en) * | 2004-05-25 | 2007-02-13 | Texas Instruments Incorporated | System and method for generating and measuring noise parameters |
US7672396B2 (en) * | 2006-06-22 | 2010-03-02 | NDSSI Holdings, LLC | Reducing image spectral leakage due to I-Q imbalance |
KR20100014339A (ko) | 2006-12-26 | 2010-02-10 | 달리 시스템즈 씨오. 엘티디. | 다중 채널 광대역 통신 시스템에서의 기저 대역 전치 왜곡 선형화를 위한 방법 및 시스템 |
EP2118999A4 (fr) * | 2007-01-26 | 2010-01-27 | Dali Systems Co Ltd | Procédés et appareil de prédistorsion indépendante du temps de propagation d'un amplificateur de puissance |
CN101241351B (zh) * | 2007-02-09 | 2011-06-08 | 鼎桥通信技术有限公司 | 一种用于相位偏移调节的有效参数组选择方法及装置 |
US8492986B2 (en) * | 2008-10-02 | 2013-07-23 | Koninklijke Philips N.V. | LED circuit arrangement with improved flicker performance |
JP2010245905A (ja) * | 2009-04-07 | 2010-10-28 | Sony Corp | 送信装置および通信システム |
CN101672877B (zh) * | 2009-09-16 | 2011-10-05 | 工业和信息化部通信计量中心 | 一种基于矢量分析的调幅信号伴随调相测量方法 |
CN105208083B (zh) | 2010-09-14 | 2018-09-21 | 大力系统有限公司 | 用于发送信号的系统和分布式天线系统 |
US9800272B2 (en) * | 2013-12-20 | 2017-10-24 | Texas Instruments Incorporated | Circuits and methods for transmitting signals |
CN106302275B (zh) * | 2015-05-14 | 2019-03-19 | 博通集成电路(上海)股份有限公司 | 相位失衡补偿方法及其装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5012208A (en) * | 1989-04-11 | 1991-04-30 | Telenokia Oy | Quadrature modulator having compensation for local oscillator leak |
CN1117231A (zh) * | 1993-10-05 | 1996-02-21 | Eta草图制造公司 | 相位差和幅度校正电路 |
US5663691A (en) * | 1995-01-11 | 1997-09-02 | Alcatel Telspace | Estimator for estimating an operating defect in a quadrature modulator, and a modulation stage using the estimator |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0324897A1 (fr) * | 1988-01-18 | 1989-07-26 | Siemens-Albis Aktiengesellschaft | Système de radar à dispositif expanseur numérique |
EP0503588B1 (fr) * | 1991-03-11 | 1997-10-01 | Nippon Telegraph And Telephone Corporation | Modulateur d'amplitude en quadrature, avec compensation des distorsions |
FR2755335B1 (fr) * | 1996-10-24 | 1998-11-27 | Alsthom Cge Alcatel | Estimateur du defaut de balance d'un modulateur en quadrature et etage de modulation l'utilisant |
FR2755808B1 (fr) * | 1996-11-14 | 1999-01-08 | Alsthom Cge Alcatel | Estimateur d'un defaut de fonctionnement d'un modulateur en quadrature et etage de modulation l'utilisant |
JP3739985B2 (ja) * | 2000-01-31 | 2006-01-25 | 富士通株式会社 | 送信機利得安定化装置 |
-
2001
- 2001-11-27 US US09/993,955 patent/US6657510B2/en not_active Expired - Lifetime
-
2002
- 2002-11-25 CN CNB028252365A patent/CN100449936C/zh not_active Expired - Fee Related
- 2002-11-25 JP JP2003548392A patent/JP3886966B2/ja not_active Expired - Lifetime
- 2002-11-25 WO PCT/US2002/037816 patent/WO2003047090A1/fr active Application Filing
- 2002-11-25 AU AU2002350264A patent/AU2002350264A1/en not_active Abandoned
- 2002-11-25 CA CA002468079A patent/CA2468079C/fr not_active Expired - Fee Related
- 2002-11-25 EP EP02786796A patent/EP1459438A4/fr not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5012208A (en) * | 1989-04-11 | 1991-04-30 | Telenokia Oy | Quadrature modulator having compensation for local oscillator leak |
CN1117231A (zh) * | 1993-10-05 | 1996-02-21 | Eta草图制造公司 | 相位差和幅度校正电路 |
US5663691A (en) * | 1995-01-11 | 1997-09-02 | Alcatel Telspace | Estimator for estimating an operating defect in a quadrature modulator, and a modulation stage using the estimator |
Also Published As
Publication number | Publication date |
---|---|
CA2468079C (fr) | 2008-09-02 |
US20030098752A1 (en) | 2003-05-29 |
EP1459438A1 (fr) | 2004-09-22 |
EP1459438A4 (fr) | 2009-07-22 |
WO2003047090A1 (fr) | 2003-06-05 |
AU2002350264A1 (en) | 2003-06-10 |
CA2468079A1 (fr) | 2003-06-05 |
CN1605152A (zh) | 2005-04-06 |
JP3886966B2 (ja) | 2007-02-28 |
JP2005510930A (ja) | 2005-04-21 |
US6657510B2 (en) | 2003-12-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090107 Termination date: 20151125 |
|
CF01 | Termination of patent right due to non-payment of annual fee |